What’s Vulnerable › Vulnerabilities

CVE-2025-27087

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-22 · updated 2026-06-17
• Weakness: CWE-400

Description

A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

Affected products

• Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS): before cos-base-3.2 — fixed in cos-base-3.2

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS) cos-base-3.2. Check the vendor advisory for mitigations.

References

• https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbcr04838en_us&docLocale=en_US

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